WD_DMATransactionUninit

#define WD_DMATransactionUninit	(		h,
			pDma
	)		WD_FUNCTION(IOCTL_WD_DMA_UNLOCK, h, pDma, SIZE_OF_WD_DMA(pDma), FALSE)

Unlocks and frees the memory allocated for a DMA buffer transaction by a previous call to WD_DMATransactionInit()

Parameters

[in]	h	Handle to WinDriver's kernel-mode driver as received from WD_Open().
[in]	pDma	Pointer to a DMA information structure

Returns

Returns WD_STATUS_SUCCESS (0) on success, or an appropriate error code otherwise

Definition at line 2113 of file windrvr.h.